Fig. 5From: Performance of a bioglass-based dentine desensitizer under lactid acid exposition: an in-vitro studyPercentages of Olley scores of the differently treated groups at different times. Olley scores: 1 – occluded, 2 – partially unoccluded, 3 – equally occluded/unoccluded, 4 – partially occluded, 5 – unoccluded [17]Back to article page